E6 and E7 from Beta Hpv38 Cooperate with Ultraviolet Light in the Development of Actinic Keratosis-Like Lesions and Squamous Cell Carcinoma in Mice
2011

HPV38 Oncoproteins and Skin Cancer in Mice

Sample size: 60 publication 10 minutes Evidence: high

Author Information

Author(s): Viarisio Daniele, Mueller-Decker Karin, Kloz Ulrich, Aengeneyndt Birgit, Kopp-Schneider Annette, Gröne Hermann-Josef, Gheit Tarik, Flechtenmacher Christa, Gissmann Lutz, Tommasino Massimo

Primary Institution: DKFZ, Heidelberg, Germany

Hypothesis

Do E6 and E7 oncoproteins from beta HPV38 contribute to skin cancer development when combined with UV exposure?

Conclusion

The study found that E6 and E7 from beta HPV38 significantly increase the risk of developing skin cancer in mice when exposed to UV light.

Supporting Evidence

  • Transgenic mice expressing HPV38 E6 and E7 showed increased skin tumor incidence when exposed to UV light.
  • Chronic UV exposure led to the development of actinic keratosis-like lesions in HPV38 transgenic mice.
  • Wild-type mice did not develop skin lesions under the same conditions.

Takeaway

Mice with certain HPV proteins are more likely to get skin cancer when they are in the sun, just like how some people can get sunburns.

Methodology

Transgenic mice expressing HPV38 E6 and E7 were exposed to UV light and chemical carcinogens to assess tumor development.

Limitations

The study was conducted in mice, which may not fully replicate human responses to HPV and UV exposure.

Participant Demographics

Transgenic mice of lines 183 and 187 were used in the study.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.ppat.1002125

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